Java tutorial
/* * Copyright 2010-2011 Andreas Veithen * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.googlecode.arit.threads; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Autowired; import com.googlecode.arit.resource.CleanerPlugin; import com.googlecode.arit.resource.ResourceScanner; import com.googlecode.arit.threadutils.ThreadHelper; import com.googlecode.arit.threadutils.ThreadUtils; public class ThreadScanner implements ResourceScanner, CleanerPlugin { private static final Log LOG = LogFactory.getLog(ThreadScanner.class); @Autowired private ThreadHelper threadHelper; @Autowired private ThreadInspector threadInspector; public void scanForResources(ResourceListener resourceEventListener) { Thread[] threads = ThreadUtils.getAllThreads(); for (Thread thread : threads) { ThreadResource threadResource = threadInspector.getThreadResource(thread); threadResource.addReferencedClassLoaders(ThreadUtils.getClassLoaderRefsOfThread(thread, threadHelper)); resourceEventListener.onResourceFound(threadResource); } } public boolean isAvailable() { return true; } public String getDescription() { return "Threads and timers"; } public void clean(ClassLoader classLoader) { for (Thread thread : ThreadUtils.getAllThreads()) { if (thread.getContextClassLoader() == classLoader) { thread.setContextClassLoader(String.class.getClassLoader()); LOG.info("Unset context class loader for thread " + thread.getName()); } } } }